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Re: KX3 and KPA500

Posted by Don Wilhelm-4 on Jun 10, 2012; 6:03pm
URL: http://elecraft.85.s1.nabble.com/KX3-and-KPA500-tp7557419p7557424.html

Yes, Bernie has it right - tip and ring are reversed in the manual, and
it is the KEYLINE OUT signal that is needed.  PTT is an input.  Connect
your KPA500 keying line between ring and the shell.

73,
Don W3FPR

On 6/10/2012 1:40 PM, [hidden email] wrote:

> I haven't tried this (don't have an amp) but an errata sheet that came with my kit indicates that the keyline output is on the ring of the acc2 plug, not tip as indicated in the original manual. I don't think the ACC2 IO setting has anything to do with the keyline output, it's used for other control purposes.
>
> Bernie
> W1AZ
>
> ----- Original Message -----
> From: "Carlson David"<[hidden email]>
> To: [hidden email]
> Sent: Sunday, June 10, 2012 1:34:24 PM
> Subject: [Elecraft] KX3 and KPA500
>
> Thanks Adrian for you advice. I did change the ACC2 IO setting to LO=PTT. The KX3 still will not key the KPA500 when I press the mic button.
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